CHAPITER

The uppermost part of a column, pillar, or pilaster, serving as the head or crowning, and placed immediately over the shaft and under the entablature. The pillars which stood in front of the porch of King Solomon's Temple were adorned with chapiters of a peculiar construction, which are largely referred to, and their symbolism explained, in the Fellow Craft's Degree (see Pillars af the Porch).

- Source: Mackey's Encyclopedia of Freemasonry